working commit

app/operator/grant.go

@@ -0,0 +1,182 @@
+package operator
+
+import (
+	"context"
+	"fmt"
+
+	"mstore/app/descr"
+	"mstore/pkg/auxtool"
+	"mstore/pkg/auxuuid"
+)
+
+type CreateGrantParams struct {
+	AccountID string `json:"accountID"`
+	Operation string `json:"operation"`
+	Pattern   string `json:"pattern"`
+}
+type CreateGrantResult struct {
+	GrantID string `json:"grantId"`
+}
+
+func (oper *Operator) CreateGrant(ctx context.Context, params *CreateGrantParams) (*CreateGrantResult, error) {
+	var err error
+	res := &CreateGrantResult{}
+
+	if params.AccountID == "" {
+		err := fmt.Errorf("Empty accountId parameters")
+		return res, err
+	}
+	if params.Operation == "" {
+		err := fmt.Errorf("Empty operation parameter")
+		return res, err
+	}
+	if params.Pattern == "" {
+		err := fmt.Errorf("Empty pattern parameter")
+		return res, err
+	}
+
+	grantExists, _, err := oper.mdb.GetGrantByAccoundIDOperationPattern(ctx, params.AccountID, params.Operation, params.Pattern)
+	if err != nil {
+		return res, err
+	}
+	if grantExists {
+		err := fmt.Errorf("Grant with this parapeters already exists")
+		return res, err
+	}
+	now := auxtool.TimeNow()
+	grantDescr := &descr.Grant{
+		ID:        auxuuid.NewUUID(),
+		AccountID: params.AccountID,
+		Operation: params.Operation,
+		Pattern:   params.Pattern,
+		CreatedAt: now,
+		UpdatedAt: now,
+	}
+	err = oper.mdb.InsertGrant(ctx, grantDescr)
+	if err != nil {
+		return res, err
+	}
+	res.GrantID = grantDescr.ID
+	return res, err
+}
+
+type UpdateGrantParams struct {
+	GrantID    string
+	NewPattern string
+}
+type UpdateGrantResult struct{}
+
+func (oper *Operator) UpdateGrant(ctx context.Context, params *UpdateGrantParams) (*UpdateGrantResult, error) {
+	var err error
+	res := &UpdateGrantResult{}
+
+	if params.GrantID == "" {
+		err := fmt.Errorf("Empty grantId parameter")
+		return res, err
+	}
+	var grantDescr *descr.Grant
+	var grantExists bool
+
+	grantExists, grantDescr, err = oper.mdb.GetGrantByID(ctx, params.GrantID)
+	if err != nil {
+		return res, err
+	}
+	if !grantExists {
+		err := fmt.Errorf("Grant with ID %s dont exists", params.GrantID)
+		return res, err
+	}
+	now := auxtool.TimeNow()
+	if params.NewPattern != "" {
+		grantDescr.UpdatedAt = now
+		grantDescr.Pattern = params.NewPattern
+	}
+	err = oper.mdb.UpdateGrantByID(ctx, grantDescr.ID, grantDescr)
+	if err != nil {
+		return res, err
+	}
+	return res, err
+}
+
+type DeleteGrantParams struct {
+	GrantID string `json:"grantId"`
+}
+type DeleteGrantResult struct{}
+
+func (oper *Operator) DeleteGrant(ctx context.Context, params *DeleteGrantParams) (*DeleteGrantResult, error) {
+	var err error
+	res := &DeleteGrantResult{}
+
+	if params.GrantID == "" {
+		err := fmt.Errorf("Empty grantId parameter")
+		return res, err
+	}
+
+	var grantDescr *descr.Grant
+	var grantExists bool
+
+	grantExists, grantDescr, err = oper.mdb.GetGrantByID(ctx, params.GrantID)
+	if err != nil {
+		return res, err
+	}
+	if !grantExists {
+		err := fmt.Errorf("Grant with ID %s dont exists", params.GrantID)
+		return res, err
+	}
+	err = oper.mdb.DeleteGrantByID(ctx, grantDescr.ID)
+	if err != nil {
+		return res, err
+	}
+	return res, err
+}
+
+type ListGrantsParams struct {
+	AccountID string `json:"accountId"`
+}
+type ListGrantsResult struct {
+	Grants []descr.Grant `json:"grants"`
+}
+
+func (oper *Operator) ListGrants(ctx context.Context, params *ListGrantsParams) (*ListGrantsResult, error) {
+	var err error
+	res := &ListGrantsResult{
+		Grants: make([]descr.Grant, 0),
+	}
+
+	grantDescrs, err := oper.mdb.ListGrantsByAccountID(ctx, params.AccountID)
+	if err != nil {
+		return res, err
+	}
+	res.Grants = grantDescrs
+	return res, err
+}
+
+type GetGrantParams struct {
+	GrantID string `json:"grantId"`
+}
+type GetGrantResult struct {
+	Grant *descr.Grant `json:"grant"`
+}
+
+func (oper *Operator) GetGrant(ctx context.Context, params *GetGrantParams) (*GetGrantResult, error) {
+	var err error
+	res := &GetGrantResult{}
+
+	if params.GrantID == "" {
+		err := fmt.Errorf("Empty grantId parameter")
+		return res, err
+	}
+
+	var grantDescr *descr.Grant
+	var grantExists bool
+	grantExists, grantDescr, err = oper.mdb.GetGrantByID(ctx, params.GrantID)
+	if err != nil {
+		return res, err
+	}
+	if !grantExists {
+		err := fmt.Errorf("Grant with ID %s dont exists", params.GrantID)
+		return res, err
+	}
+
+	res.Grant = grantDescr
+	return res, err
+}